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26 lines
453 B
26 lines
453 B
import number from "./number";
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export default function(values, valueof) {
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var n = values.length,
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m = n,
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i = -1,
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value,
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sum = 0;
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if (valueof == null) {
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while (++i < n) {
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if (!isNaN(value = number(values[i]))) sum += value;
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else --m;
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}
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}
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else {
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while (++i < n) {
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if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value;
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else --m;
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}
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}
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if (m) return sum / m;
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}
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